{"id":7839,"date":"2026-06-28T02:42:09","date_gmt":"2026-06-28T02:42:09","guid":{"rendered":"https:\/\/materialparts.com\/ad7541aknz\/"},"modified":"2026-06-28T10:20:24","modified_gmt":"2026-06-28T10:20:24","slug":"ad7541aknz","status":"publish","type":"post","link":"https:\/\/materialparts.com\/es\/ad7541aknz\/","title":{"rendered":"AD7541AKNZ"},"content":{"rendered":"

Productos<\/h2>\n

The AD7541AKNZ is a 12-bit monolithic multiplying CMOS DAC from Analog Devices with R-2R ladder architecture, 12-bit linearity, TTL\/CMOS compatible inputs, and 0.6\u00b5s settling time in an 18-pin PDIP package.<\/p>\n

Especificaciones<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Resolution<\/td>\n12 bits<\/td>\n<\/tr>\n
Architecture<\/td>\nR-2R ladder, current output<\/td>\n<\/tr>\n
Linearity (K-grade)<\/td>\n\u00b10.012% of FSR (\u00b11\/2 LSB)<\/td>\n<\/tr>\n
Settling Time<\/td>\n0.6 \u00b5s to 0.1% of FSR (max)<\/td>\n<\/tr>\n
Gain Error<\/td>\n\u00b13 LSB max at 25\u00b0C (K-grade)<\/td>\n<\/tr>\n
Tensi\u00f3n de alimentaci\u00f3n<\/td>\n+5V to +15V<\/td>\n<\/tr>\n
Power Dissipation<\/td>\n20 mW typical<\/td>\n<\/tr>\n
Input Resistance<\/td>\n10 k\u03a9 typical (R-2R network)<\/td>\n<\/tr>\n
Reference Input Range<\/td>\n-10V to +10V<\/td>\n<\/tr>\n
Multiplication<\/td>\n4-quadrant<\/td>\n<\/tr>\n
Data Interface<\/td>\nParallel (12-bit)<\/td>\n<\/tr>\n
Temperatura de funcionamiento<\/td>\n0\u00b0C to +70\u00b0C<\/td>\n<\/tr>\n
Paquete<\/td>\n18-pin PDIP (through-hole)<\/td>\n<\/tr>\n<\/table>\n

Caracter\u00edsticas<\/h2>\n
    \n
  • 12-bit linearity with endpoint accuracy (\u00b11\/2 LSB for K-grade)<\/li>\n
  • Full 4-quadrant multiplication capability<\/li>\n
  • All parts guaranteed monotonic to 12 bits<\/li>\n
  • TTL\/CMOS compatible digital inputs<\/li>\n
  • Latch-up free design (no protection Schottky diodes needed)<\/li>\n
  • Low logic input leakage current: \u00b11\u00b5A max<\/li>\n
  • Low power dissipation: 20mW typical<\/li>\n
  • Internal feedback resistor for easy output amplifier connection<\/li>\n<\/ul>\n

    Aplicaciones<\/h2>\n
      \n
    • Waveform generators and function generators<\/li>\n
    • Programmable amplifiers and attenuators<\/li>\n
    • Digitally controlled calibration circuits<\/li>\n
    • Programmable filters and oscillators<\/li>\n
    • Analog signal processing and instrumentation<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The AD7541AKNZ is a 12-bit monolithic multiplying CMOS DAC from Analog Devices with R-2R ladder architecture, 12-bit linearity, TTL\/CMOS compatible inputs, and 0.6\u00b5s settling time in an 18-pin PDIP package. Key Specifications Resolution 12 bits Architecture R-2R ladder, current output Linearity (K-grade) \u00b10.012% of FSR (\u00b11\/2 LSB) Settling Time 0.6 \u00b5s to 0.1% […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[19,13],"tags":[],"chip_brand":[165],"class_list":["post-7839","post","type-post","status-publish","format-standard","hentry","category-analog-linear-ics","category-integrated-circuits-ics","chip_brand-adi"],"acf":{"brief_explanation":"12-bit multiplying CMOS DAC, R-2R, 4-quadrant, 0.6\u00b5s settling, 18-pin PDIP","date_code":"","package_case":"PDIP-18 (22.86 x 6.35 x 3.3mm, through-hole)","in_stock":2340,"datasheet":"https:\/\/www.analog.com\/media\/en\/technical-documentation\/data-sheets\/AD7541A.pdf","price":"$15.24 @ 1ku","product_introduction":"The AD7541AKNZ is a 12-bit monolithic multiplying digital-to-analog converter from Analog Devices using a thin-film R-2R ladder network on CMOS. The K-grade provides the highest accuracy with \u00b11\/2 LSB integral nonlinearity and \u00b13 LSB gain error at 25\u00b0C. The device supports full 4-quadrant multiplication when used with an external operational amplifier, allowing the analog output to be scaled by both the digital code and the reference voltage polarity. The 0.6\u00b5s settling time enables high-speed signal generation. The internal RFEEDBACK resistor simplifies output amplifier connection by matching the R-2R ladder resistance. The latch-up free CMOS design eliminates the need for external protection Schottky diodes that were required on the original AD7541.","working_principle":"The AD7541AKNZ uses a 12-bit R-2R thin-film resistor ladder network with NMOS SPDT switches to implement the DAC function. Each bit of the 12-bit digital input controls a switch that connects the corresponding ladder node to either the IOUT1 bus (bit=1) or the IOUT2 bus (bit=0). The current flowing through each ladder arm is weighted by the R-2R network: the MSB carries half the total current, and each subsequent bit carries half the previous. The total output current at IOUT1 is the sum of all selected weighted currents, proportional to the digital input code and the reference voltage. For unipolar operation, the IOUT1 pin connects to the inverting input of an external op-amp, and the internal RFEEDBACK resistor (matched to the 10k\u03a9 ladder resistance) provides the feedback path. For 4-quadrant multiplication, both IOUT1 and IOUT2 connect to op-amps in a bipolar configuration, allowing the reference voltage to be either polarity. The thin-film resistors are laser-trimmed at wafer level to achieve the \u00b11\/2 LSB linearity of the K-grade. The low 20mW power dissipation results from the CMOS switches consuming almost no static power.","pin_description":"\n
      Pin<\/th>Name<\/th>Type<\/th>Description<\/th><\/tr>\n
      1-4<\/td>BIT 1-4<\/td>Digital Input<\/td>MSB through bit 4 (TTL\/CMOS)<\/td><\/tr>\n
      5<\/td>VREF IN<\/td>Analog Input<\/td>Reference voltage input (-10V to +10V)<\/td><\/tr>\n
      6<\/td>IOUT2<\/td>Analog Output<\/td>Complementary current output (connect to GND or op-amp)<\/td><\/tr>\n
      7<\/td>IOUT1<\/td>Analog Output<\/td>Main current output (connect to op-amp inverting input)<\/td><\/tr>\n
      8<\/td>GND<\/td>Power<\/td>Ground<\/td><\/tr>\n
      9<\/td>BIT 5<\/td>Digital Input<\/td>Bit 5 data input<\/td><\/tr>\n
      10-12<\/td>BIT 6-8<\/td>Digital Input<\/td>Bits 6 through 8<\/td><\/tr>\n
      13-16<\/td>BIT 9-12<\/td>Digital Input<\/td>Bits 9 through 12 (LSB)<\/td><\/tr>\n
      17<\/td>RFEEDBACK<\/td>Analog Output<\/td>Internal feedback resistor (connect to op-amp output)<\/td><\/tr>\n
      18<\/td>V+<\/td>Power<\/td>Positive supply (+5V to +15V)<\/td><\/tr>\n<\/table>","application_scenarios":"
        \n
      • Waveform Generation:<\/strong> 4-quadrant multiplication and 0.6\u00b5s settling enable arbitrary waveform synthesis with positive and negative reference<\/li>\n
      • Programmable Gain:<\/strong> Digital code controls the gain applied to the VREF input, implementing digitally programmable amplifiers\/attenuators<\/li>\n
      • Calibration Circuits:<\/strong> 12-bit monotonicity and \u00b11\/2 LSB linearity provide precise digital trim for offset and gain calibration<\/li>\n
      • Programmable Filters:<\/strong> Multiplying capability allows real-time filter coefficient adjustment by changing the digital input code<\/li>\n
      • Instrumentation:<\/strong> R-2R ladder provides well-defined output impedance; internal RFEEDBACK simplifies op-amp interface<\/li>\n<\/ul>","alternative_models":"\n
        Model<\/th>Manufacturer<\/th>Key Difference<\/th>Package<\/th>Specs<\/th><\/tr>\n
        AD7541AJNZ<\/td>ADI<\/td>J-grade, \u00b11 LSB linearity, lower cost<\/td>-<\/td>-<\/td><\/tr>\n
        AD7541AKRZ<\/td>ADI<\/td>K-grade in 18-pin SOIC (surface mount)<\/td>-<\/td>-<\/td><\/tr>\n
        AD7537KNZ<\/td>ADI<\/td>Dual 12-bit DAC, 24-pin DIP<\/td>-<\/td>-<\/td><\/tr>\n
        DAC7541AGL<\/td>TI<\/td>12-bit, voltage output, SOIC-16<\/td>-<\/td>-<\/td><\/tr>\n
        MCP4922-E\/P<\/td>Microchip<\/td>Dual 12-bit, SPI, PDIP-14<\/td>-<\/td>-<\/td><\/tr>\n<\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/7839","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/comments?post=7839"}],"version-history":[{"count":1,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/7839\/revisions"}],"predecessor-version":[{"id":8296,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/7839\/revisions\/8296"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/media?parent=7839"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/categories?post=7839"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/tags?post=7839"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/chip_brand?post=7839"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}